| 摘要 |
<p>Provided is a simple, high-yield method for purifying hyaluronic acids to a high level of purity on an industrial scale. Specifically provided are a purification method and a production method for hyaluronic acid and/or salts thereof, which include a process for bringing a hyaluronic acid solution comprising hyaluronic acid and/or salts thereof and impurities into contact with an absorbent selected from among a group consisting of 1) activated carbon, 2) an inorganic absorbent, 3) an inorganic absorbent and an organic absorbent, 4) an inorganic absorbent and activated carbon, 5) an inorganic absorbent, an organic absorbent, and activated carbon, 6) an organic absorbent, and 7) an organic absorbent and activated carbon.</p> |
